Battery life & health

Discussion in 'PC Help Desk' started by KDsGrandma, Feb 10, 2010.

  1. KDsGrandma

    KDsGrandma Well-Known Member

    OK, so I finally got that new laptop I've been thinking about forever, and now I'm poor again. Is it OK to leave it plugged in all the time when I'm home, or should I just plug it in to charge the battery and unplug it the rest of the time?
     
  2. GoWulfpack

    GoWulfpack Guest

    Each time a battery runs through its charge, it dies just a little. Keep it plugged in.
     
  3. Ima Sheltie

    Ima Sheltie Well-Known Member

    I have found that keeping a battery plugged in constantly tends to burn it out. If you are going to keep it plugged in why not pop the battery out.
     
  4. space_cowboy

    space_cowboy Well-Known Member

    You should run it til it's dead then fully charge it again. Do not leave it on charge constantly or your battery will die an infant.
     

  5. thats not what Mister Wulf said though
     
  6. space_cowboy

    space_cowboy Well-Known Member

    I'm sure Obamer will bail em out..
     
  7. GoWulfpack

    GoWulfpack Guest

    I've done the opposite with my laptop and the battery has lasted 5 years. Maybe the battery Gods have smiled down upon me.

    I know for a fact that doing as I suggested is true for Marine Batteries but I realize they are not the same.....or are they?
     
  8. nevilock

    nevilock Well-Known Member

    Li-ion batteries (used in most devices) have a "memory" effect. If you keep one at 100% charge all the time, some of the cells will stop functioning, giving you less active charge. Cycling is the best way to hold this memory effect at bay.

    Also, wulf, nice fanboy. lol.
     
  9. ddrdan

    ddrdan Well-Known Member

    Some manufacturers still ship Nickel Metal Hydride (NiMH) batteries. The prominent brand names use Lithium Ion (LiON). Identify your battery type first. It's on the back of the battery.

    Nevilock is right when you leave the battery in the laptop continuously, and plugged to AC current.

    If you want optimum performance in life cycle, it's best not to leave the battery in the laptop if it will be used as a desktop unit for extended periods. Take it out after it's fully charged and put in in the case. The colder the storage, the better. Put it back in when you go mobile and run it down to at least 25% before charging with external power. Try not to run it down to a forced power "shut down" to often.

    If you want the tecky version here's why:

    The batteries used in laptops are 'smart' batteries. They have a chipset that regulates charging across the cells in different patterns. Inside your pack is 6 or 8 batteries.

    They are typically 3.6 to 3.8 volt and they're a little bigger than a AA battery. The chipset decides where the charge goes based on the drain in the combined cells and identifies weak and strong cells. The charging circuit in the laptop will turn off after the cells are fully charge when the battery is new.

    After a few months it will attempt to charge the weaker, or worn, cells more than the others while the laptop is being used as a 'plugged in' desktop. Eventually your battery pack has 3 to 4 very very good cells and 3 to 4 very very bad cells. The charging circuit starts running continuously. Causing the chipset to report to the laptop that it can't support the power draw, and the laptop tells you "Low Battery".

    On units that I've had to replace batteries for customers; I break the old packs open and retrieve those good batteries. We haven't had to buy a laptop battery in years. I rebuild my pack with those batteries. And I'm doing my part in keeping all that toxic waste out of our dumps.

    Because of their voltage, they also make great cell phone battery boosters to keep in your briefcase. I made a small case for 1 battery with my phones plug type wired to it.
     
  10. GoWulfpack

    GoWulfpack Guest

    fanboy? do explain
     
  11. nevilock

    nevilock Well-Known Member

    Oh, i was just making fun of your ball-hanger, "Go Wulf buster."
     
  12. Ima Sheltie

    Ima Sheltie Well-Known Member

    I think he is referring to Go Wulf Buster
     
  13. KDsGrandma

    KDsGrandma Well-Known Member

    Thanks, Dan. It is a Lithium Ion battery. I never thought of taking it out when I'm using the laptop as a desktop, but I will do that. I believe cell phone batteries do better when you fully charge them and then let them run almost all the way down, so that's what I do with my cell, and I wondered if it was the same with laptop batteries.
     
  14. GoWulfpack

    GoWulfpack Guest

    ah...got it....yes imitation is the sincerest form of flattery
     
  15. Redneck Rich

    Redneck Rich Well-Known Member

    So does that mean by using a dockin' station everyday you are limitin' the life of the battery or does the dockin' station bypass the battery somehow?
     

  16. stupidity doesn't draw flattery
     
  17. GoWulfpack

    GoWulfpack Guest

    which is why im not imitating you
     

  18. why would you anyways?
     
  19. DontCareHowYouDoItInNY

    DontCareHowYouDoItInNY Well-Known Member

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